6869487 has 4 divisors (see below), whose sum is σ = 9159320. Its totient is φ = 4579656.

The previous prime is 6869461. The next prime is 6869521. The reversal of 6869487 is 7849686.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6869487 - 2¹⁸ = 6607343 is a prime.

It is a D-number.

It is a Duffinian number.

6869487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6869407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144912 + ... + 1144917.

It is an arithmetic number, because the mean of its divisors is an integer number (2289830).

Almost surely, 2^6869487 is an apocalyptic number.

6869487 is a deficient number, since it is larger than the sum of its proper divisors (2289833).

6869487 is a wasteful number, since it uses less digits than its factorization.

6869487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289832.

The product of its digits is 580608, while the sum is 48.

The square root of 6869487 is about 2620.9706217354. The cubic root of 6869487 is about 190.0967835630.

The spelling of 6869487 in words is "six million, eight hundred sixty-nine thousand, four hundred eighty-seven".